Mercurial > parpg-core
annotate src/parpg/common/utils.py @ 170:371b17bc9113
Added ReplaceItemAction, to dialogueactions, which replaces a single item in the players inventory.
author | KarstenBock@gmx.net |
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date | Sun, 09 Oct 2011 14:39:02 +0200 |
parents | d60f1dab8469 |
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rev | line source |
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1 # This program is free software: you can redistribute it and/or modify |
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2 # it under the terms of the GNU General Public License as published by |
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3 # the Free Software Foundation, either version 3 of the License, or |
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4 # (at your option) any later version. |
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5 |
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6 # This program is distributed in the hope that it will be useful, |
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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9 # GNU General Public License for more details. |
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10 |
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11 # You should have received a copy of the GNU General Public License |
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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13 |
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14 # Miscellaneous game functions |
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15 |
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16 import sys |
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17 import os |
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18 import fnmatch |
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19 |
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20 from textwrap import dedent |
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21 from contextlib import contextmanager |
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22 from parpg import vfs |
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23 |
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24 def addPaths (*paths): |
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25 """Adds a list of paths to sys.path. Paths are expected to use forward |
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26 slashes, for example '../../engine/extensions'. Slashes are converted |
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27 to the OS-specific equivalent. |
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28 @type paths: ??? |
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29 @param paths: Paths to files? |
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30 @return: None""" |
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31 for p in paths: |
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32 if not p in sys.path: |
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33 sys.path.append(os.path.sep.join(p.split('/'))) |
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34 |
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35 def parseBool(value): |
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36 """Parses a string to get a boolean value""" |
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37 if (value.isdigit()): |
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38 return bool(int(value)) |
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39 elif (value.isalpha): |
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40 return value.lower()[0] == "t" |
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41 return False |
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42 |
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43 def locateFiles(pattern, root=os.curdir): |
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44 """Locate all files matching supplied filename pattern in and below |
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45 supplied root directory.""" |
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46 filepaths = [] |
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47 filenames = vfs.VFS.listFiles(root) |
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48 for filename in fnmatch.filter(filenames, pattern): |
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49 vfs_file_path = '/'.join([root, filename]) |
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50 filepaths.append(vfs_file_path) |
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51 dirnames = vfs.VFS.listDirectories(root) |
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52 for dirname in dirnames: |
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53 subdir_filepaths = locateFiles(pattern, '/'.join([root, dirname])) |
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54 filepaths.extend(subdir_filepaths) |
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55 return filepaths |
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56 |
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57 def dedent_chomp(string): |
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58 """Remove common leading whitespace and chomp each non-blank line.""" |
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59 dedented_string = dedent(string).strip() |
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60 lines = dedented_string.splitlines() |
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61 formatted_lines = [] |
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62 for index in range(len(lines)): |
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63 line = lines[index] |
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64 if index == len(lines) - 1: |
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65 # Don't do anything to the last line. |
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66 pass |
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67 elif not line or line.isspace(): |
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68 line = '\n\n' |
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69 else: |
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70 line = ''.join([line, ' ']) |
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71 formatted_lines.append(line) |
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72 result = ''.join(formatted_lines) |
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73 return result |
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74 |
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75 @contextmanager |
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76 def cwd(dirname): |
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77 cwd = os.getcwd() |
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78 |
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79 try: |
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80 os.chdir(dirname) |
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81 yield |
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82 finally: |
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83 os.chdir(cwd) |